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Fire Safety Systems Flashcards

7 cards from real F80 practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Fire Safety Systems flashcards as text

  1. What is the minimum required audibility level for a fire alarm notification appliance in a sleeping area per NFPA 72?

    Answer: 75 dB(A) at the pillow

    NFPA 72 requires audible alarms in sleeping areas to produce a minimum of 75 dB(A) at the pillow level to ensure occupants are awakened.

  2. A pre-action sprinkler system requires which two events before water is discharged?

    Answer: Detection device activation AND sprinkler head activation

    Pre-action systems require a separate detection event to open the pre-action valve AND a sprinkler head to fuse before water flows, protecting against accidental discharge.

  3. Which extinguishing agent is most appropriate for a fire in a computer server room to minimize equipment damage?

    Answer: Clean agent (e.g., FM-200)

    Clean agents such as FM-200 (HFC-227ea) suppress fire without leaving residue or causing collateral damage to sensitive electronic equipment.

  4. Under NFPA 13, what is the maximum distance between sprinkler heads in a light hazard occupancy using standard spray upright or pendent sprinklers?

    Answer: 15 feet

    NFPA 13 limits sprinkler spacing to a maximum of 15 feet between heads in light hazard occupancies to ensure adequate water distribution.

  5. What does the term 'occupancy load' mean in the context of fire safety and egress planning?

    Answer: The maximum number of persons for which a space is designed for safe egress

    Occupancy load is the calculated maximum number of occupants a space can accommodate while still allowing safe evacuation through required exits.

  6. A fire pump must be tested at full rated flow under which standard?

    Answer: NFPA 20

    NFPA 20, Standard for the Installation of Stationary Pumps for Fire Protection, governs fire pump installation and requires annual flow testing at rated conditions.

  7. What is the function of a 'tamper switch' installed on a sprinkler system control valve?

    Answer: It signals a supervisory alarm if the valve is moved from its normal open position

    Tamper switches (supervisory devices) monitor that control valves remain fully open and transmit a supervisory signal to the fire alarm panel if the valve is partially or fully closed.